Electro-Chemical Devices (ECD) T80 - Manual (Page 18)

Panel Mounting
Cut Out: 5.35” x 5.35” (13.6 cm x 13.6cm)
2.2 WIRING
Electrical wiring should only be conducted by qualified personnel. See the T80 wiring diagram in Figure 2.2.X
Figure 2.2.1 Loop Powered Transmitter
Page 17 Model T80